'''Napoleon Hill''' (born '''Oliver Napoleon Hill'''; October 26, 1883 – November 8, 1970) was an American self-help author. He is well known for his book ''Think and Grow Rich
'' (1937) which is among the top 10 best selling self-help books of all time.
Hill's works insisted that fervid expectations are essential to improving one's life.
Most of his books were promoted as expounding principles to achieve "success".